PERMFILE44213

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/1/2001
• Section_Exhibit Name: EXHIBIT 15 SAE RUNOFF FROM SERVICE AREA
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1888 Pamela J. Schwab
Civil Software Design
•
Structure #1 (Silt Fence
pad runoff
Silt Fence Inputs:
Structure Detai/;
Fence Flow yyidth along Land Slope Tie-back
Rate contour (ft) Height (ft) (%) distance (ft)
(gpm/sq R)
0.3 100.0 2.6 3.00 83.3
*Sediment Storage: 0.00 ac-R
Silt Fence Results:
*No sediment capacity defined
Peak Fence Stage: 1.66 ft
Peak Water Stage: 1.66 ft
Dewater Time: 0.90 days
Trap Effciency: 71.46
Dewatering time is calculated from peak stage to lowest spillway
•
C'
J
Stage-Capacity-Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capacity

(ac-ft) Discharge

(cfs) Dewater
Time
(hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.008 0.000 0.007 0.15
0.20 0.20 0.015 0.001 0.014 1.35
0.30 0.30 0.023 0.003 0.022 1.30
0.40 0.40 0.031 0.006 0.030 1.25
0.50 0.50 0.038 0.009 0.039 1.20
0.60 0.60 0.046 0.014 0.098 1.15
0.70 0.70 0.054 0.019 0.058 1.15
0.80 0.80 0.061 0.024 0.068 1.10
0.90 0.90 0.069 0.031 0.078 1.10
1.00 1.00 0.077 0.038 0.089 1.10
1.10 1.10 0.084 0.096 0.100 1.60
1.20 1.20 0.092 0.055 0.112 1.45
1.30 1.30 0.099 0.064 0.125 1.40
1.40 1.40 0.107 0.075 0.137 1.45
1.50 1.50 0.115 0.086 0.150 1.55
1.60 1.60 0.122 0.098 0.169 1.70
-~~~,
Filename: LorencitoServiceArea.sc4 Printed 10-17-2001